用括号内所给词的正确形式填空。
1. Most _________ (busy) letters are written in English.
2. Project hope is an _________ (organize) that helps children go to school.
3. He is not a teacher any _________ (many).
4. I _________ (try) to help you organize your show if I have time.
5. I don't know what made him laugh so _________(excite)?
6. At the end of the show, we clapped and shouted with _________ (excite).
7. English is _________ (wide) used in many kinds of fields .
